NBA's top 50 free agents

Free agency is the easiest way to turn into a championship-caliber team. Just ask the Miami Heat.

Sure, teams can make drastic changes via trade, like the Lakers acquiring Pau Gasol and the Clippers dealing for Chris Paul. But after you make the big deal, you need to surround those players with help.

This year's free-agency class isn't full of a lot of superstars in their primes, but there are some really good players available to help their new teams take the next step.